Cosmetics that need to be refrigerated and used mainly include:
1. Whitening products. Whitening products containing active ingredients such as vitamin C and ivy will accelerate the oxidation and degradation of the ingredients at room temperature, and need to be refrigerated to keep the ingredients stable and active. It is also best to take it out and refrigerate it before opening it to prevent the ingredients from degrading rapidly during use.
2. Anti-wrinkle products. Products that contain high concentrations of botox, alcohol, or other active anti-wrinkle ingredients need to be kept refrigerated to prevent the ingredients from going bad. Take it out and refrigerate for at least 5 minutes before use, it will feel cool when it touches the skin, and achieve the effect of convergence and firming.
3. Mask. In particular, mask products that contain rich moisture, antioxidant ingredients, and active substances need to be refrigerated to ensure freshness, stability, and effect when used. Take out and refrigerate before use to achieve a better skin application effect.
4. Essence products. Skin care essence products rich in plant extracts and mineral ingredients are easily oxidized and deteriorated at room temperature and need to be stored in refrigeration. Take out and refrigerate before use to achieve the best penetration and release of active ingredients.
5. Eye cream products. Eye cream products that contain more fat-soluble ingredients and are more active are prone to deterioration when stored at room temperature. It is recommended to store them in the refrigerator for at least 6 months. Taking it out and refrigerating it can achieve better absorption and pharmacological activity, and prevent the ingredients from failing rapidly during use.
6. Active ingredient products. Active skin care products containing high concentrations of vitamins A, C, E, resveratrol and various antioxidant plant extracts need to be refrigerated for at least 6-12 months in order to prevent these active ingredients from being oxidized or degraded rapidly at room temperature .
In summary, the cosmetics that need to be stored and used in cold storage are mainly those rich in active ingredients and prone to oxidative deterioration. Refrigerated storage can maximize the validity period of the product and ensure the stability of the ingredients. Taking it out to room temperature before use will achieve better product activity and efficacy. However, some products need to be refrigerated after opening. It is recommended to refer to the product instructions for storage and use.